code: def width(self):
      if not self.fmt:
          return None
      parsed = _parse_fmt(self.fmt)
      if not parsed:
          return None
      width, _ = parsed
      return width
  
imports: from collections import namedtuple
  import csv
  import re
  import textwrap
  from .None import NOT_SET, strutil, fsutil
label_desc: Use image node_id 5 for calling the ColumnSpec obj's underlying member method code with example usage: obj.width() and returns: width, None, None